FR2271731A1 - - Google Patents
Info
- Publication number
- FR2271731A1 FR2271731A1 FR7515269A FR7515269A FR2271731A1 FR 2271731 A1 FR2271731 A1 FR 2271731A1 FR 7515269 A FR7515269 A FR 7515269A FR 7515269 A FR7515269 A FR 7515269A FR 2271731 A1 FR2271731 A1 FR 2271731A1
- Authority
- FR
- France
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn
Links
Classifications
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10H—ELECTROPHONIC MUSICAL INSTRUMENTS; INSTRUMENTS IN WHICH THE TONES ARE GENERATED BY ELECTROMECHANICAL MEANS OR ELECTRONIC GENERATORS, OR IN WHICH THE TONES ARE SYNTHESISED FROM A DATA STORE
- G10H1/00—Details of electrophonic musical instruments
- G10H1/02—Means for controlling the tone frequencies, e.g. attack or decay; Means for producing special musical effects, e.g. vibratos or glissandos
- G10H1/04—Means for controlling the tone frequencies, e.g. attack or decay; Means for producing special musical effects, e.g. vibratos or glissandos by additional modulation
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R1/00—Details of transducers, loudspeakers or microphones
- H04R1/10—Earpieces; Attachments therefor ; Earphones; Monophonic headphones
- H04R1/1041—Mechanical or electronic switches, or control elements
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Multimedia (AREA)
- Headphones And Earphones (AREA)
- Obtaining Desirable Characteristics In Audible-Bandwidth Transducers (AREA)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AT412374A AT331321B (de) | 1974-05-17 | 1974-05-17 | Anordnung fur kopfhorer |
AT493174A AT338897B (de) | 1974-06-14 | 1974-06-14 | Anordnung fur kopfhorer |
AT241275A AT331879B (de) | 1974-06-14 | 1975-03-28 | Anordnung fur kopfhorer zur erzeugung akustischer effekte |
Publications (1)
Publication Number | Publication Date |
---|---|
FR2271731A1 true FR2271731A1 (ja) | 1975-12-12 |
Family
ID=27148594
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7515269A Withdrawn FR2271731A1 (ja) | 1974-05-17 | 1975-05-15 |
Country Status (5)
Country | Link |
---|---|
US (1) | US4005267A (ja) |
JP (1) | JPS51325A (ja) |
DE (1) | DE2521676A1 (ja) |
FR (1) | FR2271731A1 (ja) |
GB (1) | GB1500055A (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2338615A1 (fr) * | 1976-01-14 | 1977-08-12 | Matsushita Electric Ind Co Ltd | Systeme de reproduction binauriculaire du son avec unite de reverberation acoustique |
Families Citing this family (18)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5314523U (ja) * | 1976-07-19 | 1978-02-07 | ||
JPS571908Y2 (ja) * | 1976-11-19 | 1982-01-12 | ||
DE29715324U1 (de) * | 1997-08-26 | 1997-12-04 | Liao, Yu-Tse, Ta-Ya Hsian, Taichung | Lautsprecher mit kleiner Leistung und Hallgenerator |
US6597792B1 (en) * | 1999-07-15 | 2003-07-22 | Bose Corporation | Headset noise reducing |
US20060269090A1 (en) * | 2005-05-27 | 2006-11-30 | Roman Sapiejewski | Supra-aural headphone noise reducing |
JP5265373B2 (ja) | 2005-11-11 | 2013-08-14 | フィテック システムズ リミテッド | ノイズ消去イヤホン |
US8666085B2 (en) * | 2007-10-02 | 2014-03-04 | Phitek Systems Limited | Component for noise reducing earphone |
US8605932B2 (en) * | 2007-12-12 | 2013-12-10 | Able Planet Incorporated | Single Chamber headphone apparatus |
US20090307730A1 (en) * | 2008-05-29 | 2009-12-10 | Mark Donaldson | Media enhancement module |
US20110002474A1 (en) * | 2009-01-29 | 2011-01-06 | Graeme Colin Fuller | Active Noise Reduction System Control |
EP2226902A3 (en) * | 2009-03-06 | 2013-03-13 | Phitek Systems Limited | In-flight entertainment system connector |
US20110075331A1 (en) * | 2009-05-04 | 2011-03-31 | Nigel Greig | Media Player Holder |
US20110188668A1 (en) * | 2009-09-23 | 2011-08-04 | Mark Donaldson | Media delivery system |
US9818394B2 (en) * | 2009-11-30 | 2017-11-14 | Graeme Colin Fuller | Realisation of controller transfer function for active noise cancellation |
EP2572408B1 (en) | 2010-05-17 | 2021-07-07 | Thales Avionics, Inc. | Airline passenger seat modular user interface device |
EP2471710A1 (en) | 2010-11-15 | 2012-07-04 | Nigel Greig | Media distribution system |
US9654854B2 (en) | 2011-06-01 | 2017-05-16 | Paul Darlington | In-ear device incorporating active noise reduction |
US9865242B2 (en) * | 2015-08-19 | 2018-01-09 | Ford Global Technologies, Llc | Single coil multi-tone horns |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3922489A (en) * | 1973-02-05 | 1975-11-25 | Hosiden Electronics Co | Echo microphone of the handy type |
-
1975
- 1975-05-12 US US05/576,431 patent/US4005267A/en not_active Expired - Lifetime
- 1975-05-14 GB GB20413/75A patent/GB1500055A/en not_active Expired
- 1975-05-15 DE DE19752521676 patent/DE2521676A1/de not_active Withdrawn
- 1975-05-15 FR FR7515269A patent/FR2271731A1/fr not_active Withdrawn
- 1975-05-16 JP JP50057553A patent/JPS51325A/ja active Pending
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2338615A1 (fr) * | 1976-01-14 | 1977-08-12 | Matsushita Electric Ind Co Ltd | Systeme de reproduction binauriculaire du son avec unite de reverberation acoustique |
Also Published As
Publication number | Publication date |
---|---|
DE2521676A1 (de) | 1975-11-27 |
GB1500055A (en) | 1978-02-08 |
JPS51325A (ja) | 1976-01-06 |
US4005267A (en) | 1977-01-25 |
Similar Documents
Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |